# vim: filetype=sh
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
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# CDDL HEADER END
#

#
# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.

function do_unmount #cmd #opt #mnt #expect
{
	typeset cmd=$1
	typeset opt=$2
	typeset mnt=$3
	typeset -i expect=${4-0}
	typeset -i ret
	typeset -i wasmounted=1

	mounted $mnt || wasmounted=0
	
	if (( expect == 0 )) ; then
		log_must $ZFS $cmd $opt $mnt

		log_must unmounted $mnt

		log_note "Successfully $ZFS $cmd $opt $mnt"

	else
		log_note "$ZFS $cmd $opt $mnt"

		$ZFS $cmd $opt $mnt
		ret=$?
		if (( ret != expect)); then
			log_fail "'$ZFS $cmd $opt $mnt' " \
				"unexpected return code of $ret."
		fi

		if (( wasmounted == 1 )) ; then
			log_must mounted $mnt
		else
			log_must unmounted $mnt
		fi
		log_note "Mount status of $mnt not changed."
	fi
}

function cleanup
{
	[[ -n $cwd ]] && cd $cwd

	log_must $ZFS set mountpoint=$TESTDIR $TESTPOOL/$TESTFS
	mounted $TESTPOOL/$TESTFS || \
		log_must $ZFS $mountcmd $TESTPOOL/$TESTFS
}
